While Hogwarts Castle is located on a large mountain in the films and video games, the map used as prop still shows the Castle on level ground. In this, and in most other aspects, the design of the map's cover might be based on an illustration depicting the city of Jerusalem in the 1485 Cologne edition of the Christian exegetical book "Postille" by Nikolaus of Lyra.

In a deleted scene of the film adaptation of Harry Potter and the Half-Blood Prince, the map shows Draco Malfoy's name as just " Malfoy"; this is a mistake, as the map is supposed to show both given names and surnames. One of the map's possible flaws was that it did not differentiate people who had matching names (the shared names were not given a Junior or Senior at the end). Also, it did not seem to show unplottable rooms, as it was Dobby and not the map that revealed the existence and location of the Room of Requirement. In the film adaptation of Harry Potter and the Prisoner of Azkaban, Moony is misspelled "Mooney" as an inside joke to the film's visual effects supervisor, Karl Mooney. According to J. K. Rowling, Harry never gave the map to Teddy Lupin or any of his children, but his son James probably stole it from Harry's desk. [2] As Fred and George Weasley stole the map from Filch's office in their first year, it had to be returned there by, at the very latest, June 1990.During the end credits of the film adaptation of Harry Potter and the Prisoner of Azkaban, Robbie Coltrane's footprints are noticeably larger on the map. This is a reference to him portraying the half-giant, Hagrid.

During the Calamity, which happened throughout the Wizarding world during the 2010s, a mysterious Foundable of the Marauder's Map appeared in the world, trapped in a magical storm Confoundable. Volunteer wizards and witches who worked for the Statute of Secrecy Task Force had to free the map foundable using the Counter-charm Meteolojinx Recanto to stop the storm and return the map to its original place. [21] Usage [ ]For the Harry Potter films, the Marauder's Map was hand-made by MinaLima Design with ink and paper. [24]

The name Marauder's Map is actually incorrect, as it implies there's only one Marauder. The correct name is actually Marauders' Map (the s and the apostrophe are swapped).

In the book, the map is described as a single piece of parchment that could be laid on a desk in a classroom. In the film, the map is shown as a rather large, much-folded paper with several unfolding flaps within it. Also in the book, the characters shown in the map are represented by dots. In the film, the characters are represented by their footprints. At some point by 1988, the map was stolen from Filch's office. [5] The thief left a mess in the office. [6] The magical defences on Hogwarts have been mentioned several times, including Hogwarts being unplottable. That implies that mapping Hogwarts is impossible, which is exactly what the Marauder's Map does. There are some possible loopholes for this: for example, making a place unplottable might simply make it impossible for it to be mapped with reference to somewhere else. As the Marauder's Map only covers Hogwarts, not its position relative to (for example) London, it would circumvent the theoretical unplottable charm.

Also in the film adaptation of Harry Potter and the Prisoner of Azkaban, while Albus Dumbledore is pacing in his office, his name is spelled "Albvs Dvmbledore". This was most likely done simply to give the impression of age. During the Late Middle Ages, 'v' and 'u' were used interchangeably, with 'v' always appearing at the beginning of a word, and 'u' always appearing in the middle or at the end of a word. Similarly, it identifies animagi by their actual name even when they are in their transformed state. [12] It was by this mechanism that Lupin was able to identify Peter Pettigrew's presence at Hogwarts despite being presumed dead. [13] Special abilities of the map [ ]

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During Harry's sixth year, he used the map often when he spent a great deal of time obsessing over Draco Malfoy's daily activities. When monitoring Draco Malfoy, Harry found he often disappeared off the map. [17] The cause of this was not revealed until after he asked Dobby to trail Draco to find out what he was doing when he disappeared off the map. Dobby discovered that Draco was disappearing into the Room of Requirement, which was not on the Marauder's Map. [18] Whether because it was Unplottable or the Marauders never found the room is unspecified. Moments before the start of the Battle of Hogwarts, Harry briefly used the map to search for Ron and Hermione but he did not find them as they were, at the time, in the Chamber of Secrets collecting Basilisk fangs with which they could destroy the last of Lord Voldemort's Horcruxes. [20] Harry Potter's legacy [ ] The Marauder's Map, along with his wand and the Cloak of Invisibility, is Harry's only remaining treasure from his time at Hogwarts. To hide the contents of the map so the parchment appeared blank again, one would again tap it and recite, " Mischief managed."